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https://issues.apache.org/jira/browse/HDFS-9273?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiao Chen updated HDFS-9273:
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Attachment: HDFS-9273.001.patch
Attached patch 001. Please review and advice, thanks.
The fix is to copy the AclFeature from the temporary root variable to
{{rootDir}} of FSDirectory.
Added a test case to simulate the scenario of loading root directory's ACL from
FsImage.
> ACLs on root directory may be lost after NN restart
> ---------------------------------------------------
>
> Key: HDFS-9273
> URL: https://issues.apache.org/jira/browse/HDFS-9273
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: HDFS
> Reporter: Xiao Chen
> Assignee: Xiao Chen
> Attachments: HDFS-9273.001.patch
>
>
> After restarting namenode, the ACLs on the root directory ("/") may be lost
> if it's rolled over to fsimage.
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